1.35:2.7+6.02-5.9+0.4:2.5x(4.2-0.075)=
1. (4.2-0.75)=4.125 2. 1.35/2.7=0.54 3. 0.4/2.5=0.16 4. 0.16*4.125=0.66 5. 6.02-5.9=0.12 6. 0.54+0.12=0.66 7. 0.66+0.66=1.32
а расписать
вот